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21 January, 11:56

There are 820 people at a stadium. 65% of them are adults, 20% of them are boys, and the rest are girls. How many girls are there at the stadium?

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  1. 21 January, 13:11
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    100% - 65% - 20% = 15% girls.

    15% = 0.15

    820 * 0.15 = 123 girls
  2. 21 January, 14:27
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    There are 164 girls. you have to add 20+65 equal 85 to find the total between adult and boys. then subtract from 100 it equals 20 the multiply 820 times 20 = 16400 and divide it by 164
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